RedRock 25g Threaded CO₂ Cartridges (10-Pack) – Fast Bike Tire Inflator Refill Canisters for Road & Mountain Bicycle Tires

Stay ready for any flat tire emergency with the RedRock Threaded CO₂ Cartridges 10-Pack. Featuring premium 25g CO2 cartridges, this refill pack is designed for cyclists who demand fast, effortless tire inflation. Each cartridge is filled with pure, compressed CO₂ gas that can inflate your bike tire in a matter of seconds – no pumping required. Simply screw the cartridge into your CO₂ inflator device and watch as your bike tire inflates rapidly to get you back on the road or trail. Engineered for Versatility: These cartridges are compatible with virtually all standard CO₂ bike tire inflators on the market. The threaded 3/8-24 fitting ensures a secure, leak-proof connection to your inflator head. Whether you ride a road bike, mountain bike, BMX, or hybrid, RedRock CO₂ cartridges help you fix flats fast. The 25g CO2 canisters provide enough gas to fully inflate higher-volume tires (great for MTBs and gravel bikes) or achieve high PSI in road tires, while the 16g size is perfect for quick top-offs on smaller tires. (For example, one 25g cartridge can inflate a typical 700×25C road tire up to ~150 PSI, or a 29×2.0″ MTB tire to around 46 PSI.) By having the option of both sizes, you can choose the optimal cartridge for your needs – use the larger 25g when you need extra air for bigger tires. Compact Convenience: Ditch the bulky hand pump and go lightweight. Each RedRock CO₂ cylinder is palm-sized and weighs only a few ounces, making it a portable tire repair solution that’s easy to carry. Stash a couple in your saddle pouch, backpack, or jersey pocket and you’ll hardly notice they’re there – until you need to instantly inflate a tire. This CO₂ system is a game changer for long rides, triathlons, or endurance races where every second counts and pack space is at a premium. With instant inflation, you can plug a puncture and get back riding in no time, saving energy for the ride itself. Reliable and Safe: RedRock CO₂ cartridges are constructed from durable steel and filled with 100% pure CO₂ with no oils or contaminants. Each cartridge is single-use and non-refillable, ensuring maximum safety and consistency in pressure output. The cartridges are designed to puncture smoothly and release gas evenly when used with your inflator tool. (Tip: Always follow your inflator’s instructions and point the cartridge away from your face and body during use, as the cartridge will become cold when the CO₂ is released.) With this 10-pack, you have a dependable supply of tire inflation power for all your bikes, whether it’s for routine maintenance, group ride support, or race day emergencies. Upgrade your ride preparedness with RedRock’s CO₂ Tire Inflator Cartridges. Fast, lightweight, and easy to use, they ensure you spend less time fixing flats and more time enjoying the ride. Whether you’re a road cyclist needing a quick PSI boost or a mountain biker fixing a trail-side flat, these threaded CO2 cartridges for bike tires will be your new go-to tool. Ride on with confidence, knowing you can inflate any tire, anywhere, in seconds!

• Fast Inflation in Seconds: Forget pumping for minutes – inflate a flat tire in seconds using our CO₂ cartridges. A single 25g cartridge can restore pressure fast, getting you back on the road or trail without delay (far quicker than a hand pump). This speedy solution is perfect for races, group rides, or any time you need a quick tire inflation on the go.
• Optimized for Road & Mountain Bikes: Whether you’re on a skinny road tire or a fat MTB tire, our cartridges have you covered. 25g cartridges deliver the extra volume needed for larger hybrid, gravel, and mountain bike tires (around 40–50 PSI in a 26x1.95” MTB tire). Ride with confidence knowing you have the right size CO₂ for any bike tire.
• Threaded Universal Fit: Designed with standard 3/8" threaded tops, RedRock CO₂ cartridges screw on smoothly to almost any CO₂ bike tire inflator device. The precise threading ensures an airtight seal – no leaks, no wasted gas. These cartridges (sometimes called CO₂ cylinders or canisters) work seamlessly with popular inflator heads for both Presta and Schrader valve setups, making them a universal solution for all cyclists.
• Lightweight & Portable Power: Each cartridge is compact and lightweight, adding minimal bulk to your ride. Carry a few in your saddle bag or toolkit as a backup pump alternative – they’re perfect for emergency flats during commutes or long tours. No heavy manual pump is required when you have a pocket-sized CO2 inflator system. It’s an easy, travel-friendly way to ensure you can fix a flat anytime, anywhere.
• 10-Pack Great Value (Ride Prepared): This pack includes 10× 25g CO₂ cartridges, offering excellent value and ensuring you’re well-stocked for many rides. Keep the whole pack in your garage, or toss a couple cartridges into each of your bike kits. With ten refill cartridges on hand, you won’t get caught without CO₂ when you need it most. It’s an affordable insurance policy for your rides – ideal for cyclists who want reliability on every outing.